A plasmonic colour filter based on metal-insulator-metal square micro-ring cavities for visible spectrum

M. A. Butt; S. A. Fomchenkov

doi:10.1117/12.2565854

22 May 2020 A plasmonic colour filter based on metal-insulator-metal square micro-ring cavities for visible spectrum

M. A. Butt, S. A. Fomchenkov

Proceedings Volume 11516, Optical Technologies for Telecommunications 2019; 115160G (2020) https://doi.org/10.1117/12.2565854
Event: XVII International Scientific and Technical Conference "Optical Technologies for Telecommunications", 2019, Kazan, Russian Federation

Abstract

In this paper, we presented a metal-insulator-metal (MIM) waveguide resonator design for filtering white light into individual colours. Six square micro-ring cavities of different sizes are side coupled to MIM bus waveguide. By careful selection of cavity size and distance between bus waveguide and micro-ring cavities, the resonator can selectively couple to intensity maxima of different photonic modes and, as a result, preferentially select any of the primary colours. The spectral characteristics of the resonator are studied by varying the geometric parameters using the finite element method (FEM).

Citation Download Citation

M. A. Butt and S. A. Fomchenkov "A plasmonic colour filter based on metal-insulator-metal square micro-ring cavities for visible spectrum", Proc. SPIE 11516, Optical Technologies for Telecommunications 2019, 115160G (22 May 2020); https://doi.org/10.1117/12.2565854

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